package com.example.lenovo.menudialogtest_329zay;

import android.content.DialogInterface;

import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;

import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.widget.EditText;
import android.widget.TextView;



public class MainActivity extends AppCompatActivity {
    private TextView tvinfo,tvmenu;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        init();
    }

    private void init() {
        tvinfo=(TextView)findViewById(R.id.textView3);
        tvmenu=(TextView)findViewById(R.id.textView4);
    }

    //创建菜单
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        MenuInflater inflater=getMenuInflater();
        inflater.inflate(R.menu.main,menu);
        return true;
    }
    //响应
    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId())
        {
            case R.id.menu1:tvinfo.setText("菜单1");
                showdialog();
                break;
            case R.id.menu2:tvinfo.setText("菜单2");
                break;
            case R.id.menu3:tvinfo.setText("菜单3");
                break;
            case R.id.menu4:tvinfo.setText("菜单4");
                break;
            case R.id.menu5:tvinfo.setText("菜单5");
                break;
            case R.id.menu6:tvinfo.setText("菜单6");
                break;
        }
        return super.onOptionsItemSelected(item);
    }


    //创建并显示对话框
    private void showdialog() {
        //动态加载布局
        View view = getLayoutInflater()
                .inflat(R.layout.dialoglayout. null);
        AlertDialog dialog = new AlertDialog.Builder()//---1
                .setTitle("对话框标题")  //---2
                .setIcon(R.mipmap.ic_launcher) //--3
                .setView(view)//--4
                .setPositiveButton("确定", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        //确定按钮操作
                        EditText et = (EditText) view.findViewById(R.id.editText);
                        String str = et.getText().toString();
                        tvinfo.setText(str);
                    }
                })
                .setNegativeButton("取消", new DialogInterface.OnCancelListener() {
                    @Override
                    public void onCancel(DialogInterface dialog) {
                        //---5取消按钮操作
                    }
                })
                .create();//---6创建
             dialog.show();//---6显示

    }
    }